部门<template>
    <div>
      <!-- 搜索栏 ： 两个搜索框  搜索按钮  添加处方按钮  批量删除   -->
      <el-row>
        <el-col :span="1"></el-col>
        <el-col :span="4">
             <el-input placeholder="请输入编号搜索" v-model="query.empCode"/>
        </el-col>
        <el-col :span="4">
                <el-input placeholder="请输入名称搜索" v-model="query.empName"/>
        </el-col>
        <el-col :span="4">
                <el-input placeholder="请输入类型搜索" v-model="query.empType"/>
        </el-col>
        <el-col :span="2">
                <el-button type="primary" plain @click="getByPage">搜索</el-button>
        </el-col>
        <el-col :span="3">
                <el-button type="success" plain @click="showDialog">新增处方</el-button>
        </el-col>
        <el-col :span="3">
                <el-button type="danger" plain @click="handleBatchDel">批量删除</el-button>
        </el-col>
        
      </el-row>
      <!-- 表格 -->
      <el-row>
        <el-col :span="1"></el-col>
        <el-col :span="20">
            
          <el-table :data="pb.records" 
                    stripe 
                    border
                    @selection-change="handleSelectionChange">
            <el-table-column type="selection"  width="55" />
            <el-table-column type="index" width="50" />
            <el-table-column prop="name" label="处方名称" width="150px"/>
            <el-table-column prop="sn" label="处方代称" width="180px"/>
            <el-table-column prop="url" label="url" width="180px"/>
            <!-- <el-table-column label="状态" width="180px">
              <template #default="scope">
                  <el-switch
                      v-model="scope.row.delmark"
                      size="small"
                      active-text="未删除"
                      inactive-text="已删除"
                      :active-value="1"
                      :inactive-value="0"
                      @change="changeDelmark(scope.row)"
                  />
              </template>
            </el-table-column> -->
            <el-table-column label="操作" width="200px">
                  <template #default="scope">
                    <el-button size="small" @click="handleEdit(scope.row.PrescriptionId)">
                      编辑
                    </el-button>
                    <el-button
                      size="small"
                      type="danger"
                      @click="handleDelete(scope.row.PrescriptionId)"
                    >
                      删除
                    </el-button>
                  </template>
                </el-table-column>
          </el-table>
            
        </el-col>
        
      </el-row>  
      <!-- 分页组件 -->
      <el-row>
        <el-col :span="6"></el-col>
        <el-col :span="12">
             <el-pagination
                  v-model:current-page="query.current"
                  v-model:page-size="query.size"
                  :page-sizes="[5, 8, 10, 20]"
                  layout="total, sizes, prev, pager, next, jumper"
                  :total="pb.total"
                  @size-change="getByPage"
                  @current-change="getByPage"
                />
        </el-col>
        
      </el-row>  
      
      <!-- 编辑处方信息的对话框  用于添加和修改 -->
      <el-dialog v-model="dialogFormVisible" title="编辑处方信息" width="500" draggable>
          <el-form :model="form">
            <el-form-item label="处方账号" :label-width="formLabelWidth">
              <el-input v-model.trim="form.PrescriptionAccount" autocomplete="off" readonly/>
            </el-form-item>
            <el-form-item label="处方名称" :label-width="formLabelWidth">
                <el-input v-model.trim="form.PrescriptionName" autocomplete="off" />
            </el-form-item>
            <el-form-item label="处方地址" :label-width="formLabelWidth">
                  <el-input v-model.trim="form.PrescriptionAddress" autocomplete="off" />
            </el-form-item>
            <el-form-item label="处方简介" :label-width="formLabelWidth">
                  <el-input v-model.trim="form.PrescriptionExplain" autocomplete="off" />
            </el-form-item>
            <el-form-item label="主图上传" :label-width="formLabelWidth">
                <el-upload
                    class="avatar-uploader"
                    :action="baseUrl+'/upload'"
                    :show-file-list="false"
                    :on-success="handleAvatarSuccess"
                    :before-upload="beforeAvatarUpload"
                    name="myFile"
                  >
                <img v-if="imageUrl" :src="imageUrl" class="avatar" />
                <el-icon v-else class="avatar-uploader-icon"><Plus /></el-icon>
              </el-upload>
            </el-form-item>
            <el-form-item label="起送价" :label-width="formLabelWidth">
                  <el-input-number v-model="form.startPrice" :min="5"/>
            </el-form-item>
            <el-form-item label="配送费" :label-width="formLabelWidth">
                  <el-input-number v-model="form.deliveryPrice" :min="5"/>
            </el-form-item>
            <el-form-item label="备注" :label-width="formLabelWidth">
                  <el-input v-model.trim="form.remarks" autocomplete="off" />
            </el-form-item>
          </el-form>
          <template #footer>
            <div class="dialog-footer">
              <el-button @click="dialogFormVisible = false">取消</el-button>
              <el-button type="primary" @click="addOrUpdate">
                确认提交
              </el-button>
            </div>
          </template>
    </el-dialog>
      
    </div>
  </template>
  
  <script setup>
  import httpRequest from '../../common/index.js';
  import { onMounted, ref, getCurrentInstance } from 'vue';
  import { ElMain, ElMessage,ElMessageBox } from 'element-plus';
  import { nanoid } from 'nanoid';
  import { Plus } from '@element-plus/icons-vue'
  
    let {proxy} = getCurrentInstance();
  
    let baseUrl = proxy.$baseUrl;
  
    //对话框是否显示
    let dialogFormVisible = ref(false);
    let formLabelWidth = ref('100px');
    
    //表单数据 添加和修改
    let form = ref({
        PrescriptionAccount: '',
        PrescriptionName: '',
        PrescriptionAddress: '',
        PrescriptionImg: '',
        PrescriptionExplain: '',
        startPrice: 0.0,
        deliveryPrice: 0.0,
        remarks: ''
    })
    
    //生成处方账号的函数
    const generateAccount = ()=>{
        let account = nanoid().replaceAll("_","").replaceAll("-","");
        console.log(account);
        let startIndex = Math.floor(Math.random()*10);
        account = account.substring(startIndex,startIndex+9);
        console.log(account);
        return account;
    }
    
    //点新增处方信息按钮弹出对话框
    const showDialog = ()=>{
        
        dialogFormVisible.value = true;
        //数据清除
        form.value = {
            PrescriptionAccount: generateAccount(),
            PrescriptionName: '',
            PrescriptionAddress: '',
            PrescriptionExplain: '',
            PrescriptionImg: '',
            startPrice: 0.0,
            deliveryPrice: 0.0,
            remarks: ''
        };
        //清空之前上传的图片的回显链接
        imageUrl.value = '';
    }
  
    //分页+搜索条件
    let query = ref({
        current: 1,
        size: 5,
        empCode: '',
        empName: '',
        empType: '',
    })
    
    //分页对象 total  pages  data(集合)
    let pb = ref({
        total: 0,
        pages: 0,
        records: []
    })
  
    //分页查询处方信息
    const getByPage = ()=>{
  
      httpRequest(
              proxy,
              'post',
              '/prescription/page',
              query.value,
              (resultBean)=>{
                  pb.value = resultBean.data;
              })
  
    }
    
    //添加或修改
    const addOrUpdate = ()=>{
        proxy.$axios({
            method: 'post',
            url: '/Prescription',
            data: form.value
        }).then(res=>{
            let resultBean = res.data;
            if(resultBean.code == 200){
                getByPage();
                dialogFormVisible.value = false;
                ElMessage.success('保存处方信息成功');
            }else{
                ElMessage.error(resultBean.msg);
            }
        })
    }
    
    //处理数据回显
    const handleEdit = (PrescriptionId)=>{
        console.log('回显：PrescriptionId----',PrescriptionId);
        //根据id查询对应的实体数据
        proxy.$axios({
            method: 'get',
            url: '/Prescription/'+PrescriptionId
        }).then(res=>{
            let resultBean = res.data;
            if(resultBean.code == 200){
                form.value = resultBean.data;
                imageUrl.value = resultBean.data.PrescriptionImg; //回显之前的图片
                dialogFormVisible.value = true;
            }else{
                ElMessage.error(resultBean.msg);
            }
        })
    }
    
    //处理删除
    const handleDelete = (PrescriptionId)=>{
        console.log('删除：PrescriptionId----',PrescriptionId);
        ElMessageBox.confirm(
            '您确定要删除该处方信息吗？',
            '删除提示',
            {
              confirmButtonText: '确定',
              cancelButtonText: '取消',
              type: 'warning',
            }
          )
            .then(() => {
                
                //确定删除
                proxy.$axios({
                    method: 'delete',
                    url: '/Prescription/'+PrescriptionId
                }).then(res=>{
                    let resultBean = res.data;
                    if(resultBean.code == 200){
                        ElMessage.success('删除成功');
                        getByPage();
                    }else{
                        ElMessage.error(resultBean.msg);
                    }
                })
                
            })
            .catch(() => {
                 ElMessage.info('取消删除');
            })
    }
    
    // const selectable = (row,index)=>{
       //  console.log('selectable',row,index);
       //  return true;
    // }
    
    //选中项的id集合
    let selectOptions = ref([]);
    
    //表格中多选框选中或取消时会触发  也就是选中项变化
    const handleSelectionChange = (newSelection)=>{
        console.log('选中项改变',newSelection);
        selectOptions.value = []; //清空
        newSelection.forEach((selOp)=>{
            console.log(selOp.PrescriptionId);
            selectOptions.value.push(selOp.PrescriptionId);
        });
    }
    
    //批量删除的函数
    const handleBatchDel = ()=>{
        console.log(selectOptions.value);
        if(selectOptions.value.length==0){
            ElMessage.info('请选中至少一条记录之后再进行删除');  
            return;
        }
        
        ElMessageBox.confirm(
            '您确定要删除选中的处方信息吗？',
            '删除提示',
            {
              confirmButtonText: '确定',
              cancelButtonText: '取消',
              type: 'warning',
            }
          )
            .then(() => {
  
              console.log(selectOptions.value);
              console.log(typeof(selectOptions.value));
              console.log(JSON.stringify(selectOptions.value));
  
              let str = JSON.stringify(selectOptions.value);
              str = str.substring(1,str.length-1);
                      
                      //确定删除
                  proxy.$axios({
                      method: 'post',
                      url: '/Prescription/batch/'+str,
                  }).then(res=>{
                      let resultBean = res.data;
                      if(resultBean.code == 200){
                          ElMessage.success('删除成功');  
                          getByPage();
                      }else{
                          ElMessage.error(resultBean.msg);
                      }
                  })
                    
                      
            })
            .catch(() => {
                 ElMessage.info('取消删除');
            })
    }
    
    //上传图片的回显链接
    let imageUrl = ref('');
    
    //上传成功之后的回调
    const handleAvatarSuccess = (response,uploadFile)=>{
        ElMessage.success('上传成功');
        console.log('上传成功，',response,uploadFile);
        //负责上传完成 图片回显
        imageUrl.value = response.data;
        //将上传成功的链接放入form表单， 添加或修改时会携带到服务端
        form.value.PrescriptionImg = response.data;
    }
    
    //上传之前预检文件
    const beforeAvatarUpload = (rawFile)=>{
        //文件类型不符合要求 或者 文件大小超过要求  都不能上传
        if (rawFile.type !== 'image/jpeg' && rawFile.type !== 'image/png') {
            ElMessage.error('Avatar picture must be JPG format!')
            return false
          } else if (rawFile.size / 1024 / 1024 > 5) {
            ElMessage.error('Avatar picture size can not exceed 5MB!')
            return false
          }
          //可以上传
          return true
    }
  
    //********************************* */
    const changeDelmark = (row)=>{
  
      httpRequest(
              proxy,
              'put',
              '/prescription/change/delmark',
              {
                  id: row.id,
                  delmark: row.delmark
              },
              (resultBean)=>{
                  ElMessage.success("修改删除状态成功");
              })
    }
    
    onMounted(()=>{
        getByPage();
    })
  
  
  </script>
  
  <style scoped>
      .avatar-uploader .avatar {
        width: 100px;
        height: 100px;
        display: block;
      }
  </style>
  
  <style>
  .avatar-uploader .el-upload {
    border: 1px dashed var(--el-border-color);
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--el-transition-duration-fast);
  }
  
  .avatar-uploader .el-upload:hover {
    border-color: var(--el-color-primary);
  }
  
  .el-icon.avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 100px;
    height: 100px;
    text-align: center;
  }
  </style>